145211265 has 48 divisors (see below), whose sum is σ = 267571200. Its totient is φ = 74716992.

The previous prime is 145211251. The next prime is 145211267. The reversal of 145211265 is 562112541.

145211265 is a `hidden beast` number, since 14 + 521 + 126 + 5 = 666.

It is not a de Polignac number, because 145211265 - 2⁷ = 145211137 is a prime.

It is a super-2 number, since 2×145211265² = 42172622965800450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145211267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112896 + ... + 114174.

It is an arithmetic number, because the mean of its divisors is an integer number (5574400).

Almost surely, 2^145211265 is an apocalyptic number.

145211265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145211265 is a deficient number, since it is larger than the sum of its proper divisors (122359935).

145211265 is a wasteful number, since it uses less digits than its factorization.

145211265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1316 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 145211265 is about 12050.3636874577. The cubic root of 145211265 is about 525.6138126830.

The spelling of 145211265 in words is "one hundred forty-five million, two hundred eleven thousand, two hundred sixty-five".