145472756 has 48 divisors (see below), whose sum is σ = 306427968. Its totient is φ = 59539200.

The previous prime is 145472753. The next prime is 145472807. The reversal of 145472756 is 657274541.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145472753) 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, 20351 + ... + 26553.

It is an arithmetic number, because the mean of its divisors is an integer number (6383916).

Almost surely, 2^145472756 is an apocalyptic number.

It is an amenable number.

145472756 is an abundant number, since it is smaller than the sum of its proper divisors (160955212).

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

145472756 is a wasteful number, since it uses less digits than its factorization.

145472756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272 (or 6270 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 145472756 is about 12061.2087288132. The cubic root of 145472756 is about 525.9291253713.

The spelling of 145472756 in words is "one hundred forty-five million, four hundred seventy-two thousand, seven hundred fifty-six".