154514642 has 8 divisors (see below), whose sum is σ = 232973436. Its totient is φ = 76856832.

The previous prime is 154514573. The next prime is 154514681. The reversal of 154514642 is 246415451.

154514642 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139452481 + 15062161 = 11809^2 + 3881^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 154514599 and 154514608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199763 + ... + 200534.

Almost surely, 2^154514642 is an apocalyptic number.

154514642 is a deficient number, since it is larger than the sum of its proper divisors (78458794).

154514642 is a wasteful number, since it uses less digits than its factorization.

154514642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400492.

The product of its digits is 19200, while the sum is 32.

The square root of 154514642 is about 12430.3918683202. The cubic root of 154514642 is about 536.6072631204.

The spelling of 154514642 in words is "one hundred fifty-four million, five hundred fourteen thousand, six hundred forty-two".