145106552 has 32 divisors (see below), whose sum is σ = 276048000. Its totient is φ = 71501664.

The previous prime is 145106551. The next prime is 145106557. The reversal of 145106552 is 255601541.

It is a happy number.

It is a super-2 number, since 2×145106552² = 42111822866657408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145106551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241949 + ... + 242547.

It is an arithmetic number, because the mean of its divisors is an integer number (8626500).

Almost surely, 2^145106552 is an apocalyptic number.

It is an amenable number.

145106552 is a deficient number, since it is larger than the sum of its proper divisors (130941448).

145106552 is a wasteful number, since it uses less digits than its factorization.

145106552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 145106552 is about 12046.0180972801. The cubic root of 145106552 is about 525.4874408664.

The spelling of 145106552 in words is "one hundred forty-five million, one hundred six thousand, five hundred fifty-two".