144540562 has 16 divisors (see below), whose sum is σ = 241647840. Its totient is φ = 64438848.

The previous prime is 144540551. The next prime is 144540577. The reversal of 144540562 is 265045441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111228 + ... + 112519.

It is an arithmetic number, because the mean of its divisors is an integer number (15102990).

Almost surely, 2^144540562 is an apocalyptic number.

144540562 is a deficient number, since it is larger than the sum of its proper divisors (97107278).

144540562 is a wasteful number, since it uses less digits than its factorization.

144540562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223785.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 144540562 is about 12022.5023185691. The cubic root of 144540562 is about 524.8033270884.

The spelling of 144540562 in words is "one hundred forty-four million, five hundred forty thousand, five hundred sixty-two".