145411772 has 12 divisors (see below), whose sum is σ = 277604376. Its totient is φ = 66096240.

The previous prime is 145411759. The next prime is 145411781. The reversal of 145411772 is 277114541.

It is a super-2 number, since 2×145411772² = 42289166872359968, which contains 22 as substring.

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, 1652363 + ... + 1652450.

It is an arithmetic number, because the mean of its divisors is an integer number (23133698).

Almost surely, 2^145411772 is an apocalyptic number.

It is an amenable number.

145411772 is a deficient number, since it is larger than the sum of its proper divisors (132192604).

145411772 is a wasteful number, since it uses less digits than its factorization.

145411772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304828 (or 3304826 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 145411772 is about 12058.6803589779. The cubic root of 145411772 is about 525.8556230755.

The spelling of 145411772 in words is "one hundred forty-five million, four hundred eleven thousand, seven hundred seventy-two".