144904372 has 6 divisors (see below), whose sum is σ = 253582658. Its totient is φ = 72452184.

The previous prime is 144904369. The next prime is 144904399. The reversal of 144904372 is 273409441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 143376676 + 1527696 = 11974^2 + 1236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18113043 + ... + 18113050.

Almost surely, 2^144904372 is an apocalyptic number.

It is an amenable number.

144904372 is a deficient number, since it is larger than the sum of its proper divisors (108678286).

144904372 is a wasteful number, since it uses less digits than its factorization.

144904372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36226097 (or 36226095 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 144904372 is about 12037.6231873240. The cubic root of 144904372 is about 525.2432698736.

The spelling of 144904372 in words is "one hundred forty-four million, nine hundred four thousand, three hundred seventy-two".