154420513402 has 8 divisors (see below), whose sum is σ = 232375564512. Its totient is φ = 76961991900.

The previous prime is 154420513367. The next prime is 154420513469. The reversal of 154420513402 is 204315024451.

154420513402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×154420513402² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 124131624 + ... + 124132867.

It is an arithmetic number, because the mean of its divisors is an integer number (29046945564).

Almost surely, 2^154420513402 is an apocalyptic number.

154420513402 is a deficient number, since it is larger than the sum of its proper divisors (77955051110).

154420513402 is a wasteful number, since it uses less digits than its factorization.

154420513402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248264804.

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

Adding to 154420513402 its reverse (204315024451), we get a palindrome (358735537853).

The spelling of 154420513402 in words is "one hundred fifty-four billion, four hundred twenty million, five hundred thirteen thousand, four hundred two".