151890754 has 4 divisors (see below), whose sum is σ = 227836134. Its totient is φ = 75945376.

The previous prime is 151890709. The next prime is 151890779. The reversal of 151890754 is 457098151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 457098151 = 557 ⋅820643.

It can be written as a sum of positive squares in only one way, i.e., 83448225 + 68442529 = 9135^2 + 8273^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37972687 + ... + 37972690.

Almost surely, 2^151890754 is an apocalyptic number.

151890754 is a deficient number, since it is larger than the sum of its proper divisors (75945380).

151890754 is an equidigital number, since it uses as much as digits as its factorization.

151890754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75945379.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 151890754 is about 12324.3966992304. The cubic root of 151890754 is about 533.5524428701.

The spelling of 151890754 in words is "one hundred fifty-one million, eight hundred ninety thousand, seven hundred fifty-four".