153994454954 has 8 divisors (see below), whose sum is σ = 231001771620. Its totient is φ = 76993864416.

The previous prime is 153994454941. The next prime is 153994454959. The reversal of 153994454954 is 459454499351.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 147867166225 + 6127288729 = 384535^2 + 78277^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (153994454959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623899 + ... + 1716110.

Almost surely, 2^153994454954 is an apocalyptic number.

153994454954 is a deficient number, since it is larger than the sum of its proper divisors (77007316666).

153994454954 is a wasteful number, since it uses less digits than its factorization.

153994454954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363064.

The product of its digits is 69984000, while the sum is 62.

The spelling of 153994454954 in words is "one hundred fifty-three billion, nine hundred ninety-four million, four hundred fifty-four thousand, nine hundred fifty-four".