154988954 has 4 divisors (see below), whose sum is σ = 232483434. Its totient is φ = 77494476.

The previous prime is 154988917. The next prime is 154988957. The reversal of 154988954 is 459889451.

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

It can be written as a sum of positive squares in only one way, i.e., 150724729 + 4264225 = 12277^2 + 2065^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154988896 and 154988905.

It is not an unprimeable number, because it can be changed into a prime (154988957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38747237 + ... + 38747240.

Almost surely, 2^154988954 is an apocalyptic number.

154988954 is a deficient number, since it is larger than the sum of its proper divisors (77494480).

154988954 is an equidigital number, since it uses as much as digits as its factorization.

154988954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77494479.

The product of its digits is 2073600, while the sum is 53.

The square root of 154988954 is about 12449.4559720495. The cubic root of 154988954 is about 537.1557748394.

The spelling of 154988954 in words is "one hundred fifty-four million, nine hundred eighty-eight thousand, nine hundred fifty-four".