145837497 has 16 divisors (see below), whose sum is σ = 209704320. Its totient is φ = 89619072.

The previous prime is 145837487. The next prime is 145837499. The reversal of 145837497 is 794738541.

It is a happy number.

145837497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145837497 - 2⁴ = 145837481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145837499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30493 + ... + 34949.

It is an arithmetic number, because the mean of its divisors is an integer number (13106520).

Almost surely, 2^145837497 is an apocalyptic number.

It is an amenable number.

145837497 is a deficient number, since it is larger than the sum of its proper divisors (63866823).

145837497 is a wasteful number, since it uses less digits than its factorization.

145837497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312.

The product of its digits is 846720, while the sum is 48.

The square root of 145837497 is about 12076.3196794388. The cubic root of 145837497 is about 526.3683091315.

The spelling of 145837497 in words is "one hundred forty-five million, eight hundred thirty-seven thousand, four hundred ninety-seven".