150001557 has 8 divisors (see below), whose sum is σ = 211766976. Its totient is φ = 94118592.

The previous prime is 150001517. The next prime is 150001559. The reversal of 150001557 is 755100051.

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

It is not a de Polignac number, because 150001557 - 2¹⁶ = 149936021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150001559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1470553 + ... + 1470654.

It is an arithmetic number, because the mean of its divisors is an integer number (26470872).

Almost surely, 2^150001557 is an apocalyptic number.

150001557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

150001557 is a deficient number, since it is larger than the sum of its proper divisors (61765419).

150001557 is a wasteful number, since it uses less digits than its factorization.

150001557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941227.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 150001557 is about 12247.5122780098. The cubic root of 150001557 is about 531.3311229843.

The spelling of 150001557 in words is "one hundred fifty million, one thousand, five hundred fifty-seven".