145490037 has 48 divisors (see below), whose sum is σ = 251682816. Its totient is φ = 73101600.

The previous prime is 145489999. The next prime is 145490089. The reversal of 145490037 is 730094541.

It is not a de Polignac number, because 145490037 - 2⁷ = 145489909 is a prime.

It is a super-2 number, since 2×145490037² = 42334701732522738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145490537) 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, 77848 + ... + 79694.

It is an arithmetic number, because the mean of its divisors is an integer number (5243392).

Almost surely, 2^145490037 is an apocalyptic number.

It is an amenable number.

145490037 is a deficient number, since it is larger than the sum of its proper divisors (106192779).

145490037 is a wasteful number, since it uses less digits than its factorization.

145490037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 145490037 is about 12061.9250951082. The cubic root of 145490037 is about 525.9499499381.

The spelling of 145490037 in words is "one hundred forty-five million, four hundred ninety thousand, thirty-seven".