1542155245 has 16 divisors (see below), whose sum is σ = 1860268032. Its totient is φ = 1227289600.

The previous prime is 1542155191. The next prime is 1542155261. The reversal of 1542155245 is 5425512451.

1542155245 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 1542155245 - 2¹⁹ = 1541630957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1542155245.

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, 962445 + ... + 964045.

It is an arithmetic number, because the mean of its divisors is an integer number (116266752).

Almost surely, 2^1542155245 is an apocalyptic number.

It is an amenable number.

1542155245 is a deficient number, since it is larger than the sum of its proper divisors (318112787).

1542155245 is a wasteful number, since it uses less digits than its factorization.

1542155245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492.

The product of its digits is 40000, while the sum is 34.

The square root of 1542155245 is about 39270.2845036804. The cubic root of 1542155245 is about 1155.3388172858.

Adding to 1542155245 its reverse (5425512451), we get a palindrome (6967667696).

The spelling of 1542155245 in words is "one billion, five hundred forty-two million, one hundred fifty-five thousand, two hundred forty-five".