155540794 has 16 divisors (see below), whose sum is σ = 236230848. Its totient is φ = 76803552.

The previous prime is 155540779. The next prime is 155540807. The reversal of 155540794 is 497045551.

155540794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53014 + ... + 55870.

It is an arithmetic number, because the mean of its divisors is an integer number (14764428).

Almost surely, 2^155540794 is an apocalyptic number.

155540794 is a deficient number, since it is larger than the sum of its proper divisors (80690054).

155540794 is a wasteful number, since it uses less digits than its factorization.

155540794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 155540794 is about 12471.5994964559. The cubic root of 155540794 is about 537.7925361963.

The spelling of 155540794 in words is "one hundred fifty-five million, five hundred forty thousand, seven hundred ninety-four".