145337797 has 16 divisors (see below), whose sum is σ = 160634880. Its totient is φ = 130402800.

The previous prime is 145337789. The next prime is 145337831. The reversal of 145337797 is 797733541.

145337797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145337797 - 2³ = 145337789 is a prime.

It is a super-2 number, since 2×145337797² = 42246150473626418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145337747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438922 + ... + 439252.

It is an arithmetic number, because the mean of its divisors is an integer number (10039680).

Almost surely, 2^145337797 is an apocalyptic number.

It is an amenable number.

145337797 is a deficient number, since it is larger than the sum of its proper divisors (15297083).

145337797 is a wasteful number, since it uses less digits than its factorization.

145337797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its digits is 555660, while the sum is 46.

The square root of 145337797 is about 12055.6126762600. The cubic root of 145337797 is about 525.7664355047.

The spelling of 145337797 in words is "one hundred forty-five million, three hundred thirty-seven thousand, seven hundred ninety-seven".