144513402 has 32 divisors (see below), whose sum is σ = 316915200. Its totient is φ = 43567920.

The previous prime is 144513401. The next prime is 144513403. The reversal of 144513402 is 204315441.

144513402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144513401) and next prime (144513403).

It is a super-2 number, since 2×144513402² = 41768246715227208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144513401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7633 + ... + 18635.

It is an arithmetic number, because the mean of its divisors is an integer number (9903600).

Almost surely, 2^144513402 is an apocalyptic number.

144513402 is an abundant number, since it is smaller than the sum of its proper divisors (172401798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144513402 is a wasteful number, since it uses less digits than its factorization.

144513402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11218.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 144513402 is about 12021.3727169571. The cubic root of 144513402 is about 524.7704538450.

Adding to 144513402 its reverse (204315441), we get a palindrome (348828843).

The spelling of 144513402 in words is "one hundred forty-four million, five hundred thirteen thousand, four hundred two".