151078578 has 64 divisors (see below), whose sum is σ = 354858240. Its totient is φ = 41990400.

The previous prime is 151078549. The next prime is 151078589. The reversal of 151078578 is 875870151.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278988 + ... + 279528.

It is an arithmetic number, because the mean of its divisors is an integer number (5544660).

Almost surely, 2^151078578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151078578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177429120).

151078578 is an abundant number, since it is smaller than the sum of its proper divisors (203779662).

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

151078578 is a wasteful number, since it uses less digits than its factorization.

151078578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 78400, while the sum is 42.

The square root of 151078578 is about 12291.4026050732. The cubic root of 151078578 is about 532.5997556064.

The spelling of 151078578 in words is "one hundred fifty-one million, seventy-eight thousand, five hundred seventy-eight".