148898831 has 4 divisors (see below), whose sum is σ = 151422600. Its totient is φ = 146375064.

The previous prime is 148898819. The next prime is 148898833. The reversal of 148898831 is 138898841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148898831 is a prime.

It is a super-2 number, since 2×148898831² = 44341723746333122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148898831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148898833) 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, 1261796 + ... + 1261913.

It is an arithmetic number, because the mean of its divisors is an integer number (37855650).

Almost surely, 2^148898831 is an apocalyptic number.

148898831 is a deficient number, since it is larger than the sum of its proper divisors (2523769).

148898831 is an equidigital number, since it uses as much as digits as its factorization.

148898831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523768.

The product of its digits is 442368, while the sum is 50.

The square root of 148898831 is about 12202.4108683489. The cubic root of 148898831 is about 530.0259047502.

The spelling of 148898831 in words is "one hundred forty-eight million, eight hundred ninety-eight thousand, eight hundred thirty-one".