145347136 has 63 divisors (see below), whose sum is σ = 319358137. Its totient is φ = 65584640.

The previous prime is 145347113. The next prime is 145347151. The reversal of 145347136 is 631743541.

The square root of 145347136 is 12056.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 85377600 + 59969536 = 9240^2 + 7744^2 .

It is a super-2 number, since 2×145347136² = 42251579886804992, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1060860 + ... + 1060996.

Almost surely, 2^145347136 is an apocalyptic number.

145347136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

145347136 is the 12056-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145347136

145347136 is an abundant number, since it is smaller than the sum of its proper divisors (174011001).

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

145347136 is an equidigital number, since it uses as much as digits as its factorization.

145347136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 150 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The cubic root of 145347136 is about 525.7776966900. Note that the first 3 decimals are identical.

The spelling of 145347136 in words is "one hundred forty-five million, three hundred forty-seven thousand, one hundred thirty-six".