151898 has 8 divisors (see below), whose sum is σ = 232308. Its totient is φ = 74464.

The previous prime is 151897. The next prime is 151901. The reversal of 151898 is 898151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 12769 = 373^2 + 113^2 .

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

It is not an unprimeable number, because it can be changed into a prime (151897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 822.

2¹⁵¹⁸⁹⁸ is an apocalyptic number.

151898 is a deficient number, since it is larger than the sum of its proper divisors (80410).

151898 is a wasteful number, since it uses less digits than its factorization.

151898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its digits is 2880, while the sum is 32.

The square root of 151898 is about 389.7409395996. The cubic root of 151898 is about 53.3560927169.

The spelling of 151898 in words is "one hundred fifty-one thousand, eight hundred ninety-eight".