154042450 has 12 divisors (see below), whose sum is σ = 286519050. Its totient is φ = 61616960.

The previous prime is 154042429. The next prime is 154042463. The reversal of 154042450 is 54240451.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 81162081 + 72880369 = 9009^2 + 8537^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1540375 + ... + 1540474.

Almost surely, 2^154042450 is an apocalyptic number.

154042450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154042450 is a deficient number, since it is larger than the sum of its proper divisors (132476600).

154042450 is a wasteful number, since it uses less digits than its factorization.

154042450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080861 (or 3080856 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 154042450 is about 12411.3838873834. The cubic root of 154042450 is about 536.0600869187.

The spelling of 154042450 in words is "one hundred fifty-four million, forty-two thousand, four hundred fifty".