145514237 has 32 divisors (see below), whose sum is σ = 173923200. Its totient is φ = 121271040.

The previous prime is 145514231. The next prime is 145514249. The reversal of 145514237 is 732415541.

It is not a de Polignac number, because 145514237 - 2⁴ = 145514221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145514231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1334939 + ... + 1335047.

It is an arithmetic number, because the mean of its divisors is an integer number (5435100).

Almost surely, 2^145514237 is an apocalyptic number.

145514237 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

145514237 is a deficient number, since it is larger than the sum of its proper divisors (28408963).

145514237 is a wasteful number, since it uses less digits than its factorization.

145514237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 196 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 145514237 is about 12062.9282100160. The cubic root of 145514237 is about 525.9791095136.

Adding to 145514237 its reverse (732415541), we get a palindrome (877929778).

The spelling of 145514237 in words is "one hundred forty-five million, five hundred fourteen thousand, two hundred thirty-seven".