145267776 has 56 divisors (see below), whose sum is σ = 427065440. Its totient is φ = 48422016.

The previous prime is 145267769. The next prime is 145267781. The reversal of 145267776 is 677762541.

It is a super-2 number, since 2×145267776² = 42205453487972352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40306 + ... + 43761.

Almost surely, 2^145267776 is an apocalyptic number.

145267776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145267776 is an abundant number, since it is smaller than the sum of its proper divisors (281797664).

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

145267776 is an equidigital number, since it uses as much as digits as its factorization.

145267776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84088 (or 84072 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 145267776 is about 12052.7082433783. The cubic root of 145267776 is about 525.6819871686.

The spelling of 145267776 in words is "one hundred forty-five million, two hundred sixty-seven thousand, seven hundred seventy-six".