144990937 has 32 divisors (see below), whose sum is σ = 186368000. Its totient is φ = 109719360.

The previous prime is 144990929. The next prime is 144990949. The reversal of 144990937 is 739099441.

It is a cyclic number.

It is not a de Polignac number, because 144990937 - 2³ = 144990929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144990917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290314 + ... + 290812.

It is an arithmetic number, because the mean of its divisors is an integer number (5824000).

Almost surely, 2^144990937 is an apocalyptic number.

It is an amenable number.

144990937 is a deficient number, since it is larger than the sum of its proper divisors (41377063).

144990937 is a wasteful number, since it uses less digits than its factorization.

144990937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 144990937 is about 12041.2182523198. The cubic root of 144990937 is about 525.3478414426.

The spelling of 144990937 in words is "one hundred forty-four million, nine hundred ninety thousand, nine hundred thirty-seven".