145791256 has 64 divisors (see below), whose sum is σ = 313740000. Its totient is φ = 62954496.

The previous prime is 145791143. The next prime is 145791257. The reversal of 145791256 is 652197541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145791257) 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, 175450 + ... + 176278.

Almost surely, 2^145791256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145791256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156870000).

145791256 is an abundant number, since it is smaller than the sum of its proper divisors (167948744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145791256 is a wasteful number, since it uses less digits than its factorization.

145791256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 952 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 145791256 is about 12074.4049956923. The cubic root of 145791256 is about 526.3126710173.

The spelling of 145791256 in words is "one hundred forty-five million, seven hundred ninety-one thousand, two hundred fifty-six".