1554452442 has 12 divisors (see below), whose sum is σ = 3367980330. Its totient is φ = 518150808.

The previous prime is 1554452411. The next prime is 1554452503. The reversal of 1554452442 is 2442544551.

1554452442 is a `hidden beast` number, since 1 + 55 + 44 + 524 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1199167641 + 355284801 = 34629^2 + 18849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1554452397 and 1554452406.

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, 43179217 + ... + 43179252.

Almost surely, 2^1554452442 is an apocalyptic number.

1554452442 is an abundant number, since it is smaller than the sum of its proper divisors (1813527888).

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

1554452442 is a wasteful number, since it uses less digits than its factorization.

1554452442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86358477 (or 86358474 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 1554452442 is about 39426.5448904669. The cubic root of 1554452442 is about 1158.4015940910.

Adding to 1554452442 its reverse (2442544551), we get a palindrome (3996996993).

The spelling of 1554452442 in words is "one billion, five hundred fifty-four million, four hundred fifty-two thousand, four hundred forty-two".