154450428 has 48 divisors (see below), whose sum is σ = 410247936. Its totient is φ = 44767360.

The previous prime is 154450409. The next prime is 154450447. The reversal of 154450428 is 824054451.

It is a happy number.

154450428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (154450409) and next prime (154450447).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22401 + ... + 28472.

It is an arithmetic number, because the mean of its divisors is an integer number (8546832).

Almost surely, 2^154450428 is an apocalyptic number.

It is an amenable number.

154450428 is an abundant number, since it is smaller than the sum of its proper divisors (255797508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154450428 is a wasteful number, since it uses less digits than its factorization.

154450428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50914 (or 50912 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 154450428 is about 12427.8086563963. The cubic root of 154450428 is about 536.5329174730.

The spelling of 154450428 in words is "one hundred fifty-four million, four hundred fifty thousand, four hundred twenty-eight".