1541521342 has 16 divisors (see below), whose sum is σ = 2449086192. Its totient is φ = 725188480.

The previous prime is 1541521339. The next prime is 1541521439. The reversal of 1541521342 is 2431251451.

It is a self number, because there is not a number n which added to its sum of digits gives 1541521342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147717 + ... + 157807.

It is an arithmetic number, because the mean of its divisors is an integer number (153067887).

Almost surely, 2^1541521342 is an apocalyptic number.

1541521342 is a deficient number, since it is larger than the sum of its proper divisors (907564850).

1541521342 is a wasteful number, since it uses less digits than its factorization.

1541521342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603.

The product of its digits is 4800, while the sum is 28.

The square root of 1541521342 is about 39262.2126477864. The cubic root of 1541521342 is about 1155.1804948958.

Adding to 1541521342 its reverse (2431251451), we get a palindrome (3972772793).

The spelling of 1541521342 in words is "one billion, five hundred forty-one million, five hundred twenty-one thousand, three hundred forty-two".