144961355 has 72 divisors (see below), whose sum is σ = 234543600. Its totient is φ = 85034880.

The previous prime is 144961337. The next prime is 144961357. The reversal of 144961355 is 553169441.

It is not a de Polignac number, because 144961355 - 2¹⁰ = 144960331 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (144961357) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 972821 + ... + 972969.

It is an arithmetic number, because the mean of its divisors is an integer number (3257550).

Almost surely, 2^144961355 is an apocalyptic number.

144961355 is a deficient number, since it is larger than the sum of its proper divisors (89582245).

144961355 is a wasteful number, since it uses less digits than its factorization.

144961355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 191 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 144961355 is about 12039.9898255771. The cubic root of 144961355 is about 525.3121107108.

It can be divided in two parts, 14496 and 1355, that added together give a palindrome (15851).

The spelling of 144961355 in words is "one hundred forty-four million, nine hundred sixty-one thousand, three hundred fifty-five".