154545131 has 8 divisors (see below), whose sum is σ = 169254960. Its totient is φ = 140238432.

The previous prime is 154545109. The next prime is 154545133. The reversal of 154545131 is 131545451.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154545131 is a prime.

It is a super-2 number, since 2×154545131² = 47768395031614322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154545094 and 154545103.

It is not an unprimeable number, because it can be changed into a prime (154545133) 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, 99980 + ... + 101513.

It is an arithmetic number, because the mean of its divisors is an integer number (21156870).

Almost surely, 2^154545131 is an apocalyptic number.

154545131 is a deficient number, since it is larger than the sum of its proper divisors (14709829).

154545131 is a wasteful number, since it uses less digits than its factorization.

154545131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201565.

The product of its digits is 6000, while the sum is 29.

The square root of 154545131 is about 12431.6181971616. The cubic root of 154545131 is about 536.6425554454.

The spelling of 154545131 in words is "one hundred fifty-four million, five hundred forty-five thousand, one hundred thirty-one".