154131485 has 8 divisors (see below), whose sum is σ = 185208576. Its totient is φ = 123138000.

The previous prime is 154131463. The next prime is 154131493. The reversal of 154131485 is 584131451.

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

It is a de Polignac number, because none of the positive numbers 2^k-154131485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16769 + ... + 24278.

It is an arithmetic number, because the mean of its divisors is an integer number (23151072).

Almost surely, 2^154131485 is an apocalyptic number.

It is an amenable number.

154131485 is a deficient number, since it is larger than the sum of its proper divisors (31077091).

154131485 is an equidigital number, since it uses as much as digits as its factorization.

154131485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41803.

The product of its digits is 9600, while the sum is 32.

The square root of 154131485 is about 12414.9701973062. The cubic root of 154131485 is about 536.1633461552.

The spelling of 154131485 in words is "one hundred fifty-four million, one hundred thirty-one thousand, four hundred eighty-five".