145156628 has 12 divisors (see below), whose sum is σ = 256398912. Its totient is φ = 71899800.

The previous prime is 145156619. The next prime is 145156673. The reversal of 145156628 is 826651541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145156591 and 145156600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169148 + ... + 170003.

It is an arithmetic number, because the mean of its divisors is an integer number (21366576).

Almost surely, 2^145156628 is an apocalyptic number.

It is an amenable number.

145156628 is a deficient number, since it is larger than the sum of its proper divisors (111242284).

145156628 is a wasteful number, since it uses less digits than its factorization.

145156628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339262 (or 339260 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 145156628 is about 12048.0964471571. The cubic root of 145156628 is about 525.5478821589.

The spelling of 145156628 in words is "one hundred forty-five million, one hundred fifty-six thousand, six hundred twenty-eight".