1554402141 has 48 divisors (see below), whose sum is σ = 2460057600. Its totient is φ = 942381216.

The previous prime is 1554402139. The next prime is 1554402163. The reversal of 1554402141 is 1412044551.

1554402141 is a `hidden beast` number, since 1 + 5 + 5 + 440 + 214 + 1 = 666.

It is not a de Polignac number, because 1554402141 - 2¹ = 1554402139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554402131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 432036 + ... + 435618.

It is an arithmetic number, because the mean of its divisors is an integer number (51251200).

Almost surely, 2^1554402141 is an apocalyptic number.

It is an amenable number.

1554402141 is a deficient number, since it is larger than the sum of its proper divisors (905655459).

1554402141 is a wasteful number, since it uses less digits than its factorization.

1554402141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1554402141 is about 39425.9069775192. The cubic root of 1554402141 is about 1158.3890989329.

Adding to 1554402141 its reverse (1412044551), we get a palindrome (2966446692).

The spelling of 1554402141 in words is "one billion, five hundred fifty-four million, four hundred two thousand, one hundred forty-one".