145377256 has 8 divisors (see below), whose sum is σ = 272582370. Its totient is φ = 72688624.

The previous prime is 145377229. The next prime is 145377283. The reversal of 145377256 is 652773541.

It is an interprime number because it is at equal distance from previous prime (145377229) and next prime (145377283).

It can be written as a sum of positive squares in only one way, i.e., 85562500 + 59814756 = 9250^2 + 7734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×145377256² = 42269093124179072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9086071 + ... + 9086086.

Almost surely, 2^145377256 is an apocalyptic number.

It is an amenable number.

145377256 is a deficient number, since it is larger than the sum of its proper divisors (127205114).

145377256 is a wasteful number, since it uses less digits than its factorization.

145377256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18172163 (or 18172159 counting only the distinct ones).

The product of its digits is 176400, while the sum is 40.

The square root of 145377256 is about 12057.2491058284. The cubic root of 145377256 is about 525.8140128061.

The spelling of 145377256 in words is "one hundred forty-five million, three hundred seventy-seven thousand, two hundred fifty-six".