145270270 has 32 divisors (see below), whose sum is σ = 277688736. Its totient is φ = 54528000.

The previous prime is 145270249. The next prime is 145270283. The reversal of 145270270 is 72072541.

It is a super-2 number, since 2×145270270² = 42206902691745800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67105 + ... + 69235.

It is an arithmetic number, because the mean of its divisors is an integer number (8677773).

Almost surely, 2^145270270 is an apocalyptic number.

145270270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145270270 is a deficient number, since it is larger than the sum of its proper divisors (132418466).

145270270 is a wasteful number, since it uses less digits than its factorization.

145270270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 145270270 is about 12052.8117051583. The cubic root of 145270270 is about 525.6849955059.

The spelling of 145270270 in words is "one hundred forty-five million, two hundred seventy thousand, two hundred seventy".