145402040304 has 80 divisors (see below), whose sum is σ = 426237719040. Its totient is φ = 47436120000.

The previous prime is 145402040239. The next prime is 145402040327. The reversal of 145402040304 is 403040204541.

It is a happy number.

145402040304 is a `hidden beast` number, since 1 + 454 + 0 + 204 + 0 + 3 + 0 + 4 = 666.

145402040304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145402040304² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3560322 + ... + 3600929.

It is an arithmetic number, because the mean of its divisors is an integer number (5327971488).

Almost surely, 2^145402040304 is an apocalyptic number.

It is an amenable number.

145402040304 is an abundant number, since it is smaller than the sum of its proper divisors (280835678736).

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

145402040304 is a wasteful number, since it uses less digits than its factorization.

145402040304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7161315 (or 7161303 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 145402040304 its reverse (403040204541), we get a palindrome (548442244845).

The spelling of 145402040304 in words is "one hundred forty-five billion, four hundred two million, forty thousand, three hundred four".