15142455434 has 8 divisors (see below), whose sum is σ = 22751987940. Its totient is φ = 7558459456.

The previous prime is 15142455431. The next prime is 15142455437. The reversal of 15142455434 is 43455424151.

It is an interprime number because it is at equal distance from previous prime (15142455431) and next prime (15142455437).

It can be written as a sum of positive squares in 2 ways, for example, as 14775618025 + 366837409 = 121555^2 + 19153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15142455434² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15142455431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6382649 + ... + 6385020.

Almost surely, 2^15142455434 is an apocalyptic number.

15142455434 is a deficient number, since it is larger than the sum of its proper divisors (7609532506).

15142455434 is a wasteful number, since it uses less digits than its factorization.

15142455434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12768264.

The product of its digits is 192000, while the sum is 38.

Adding to 15142455434 its reverse (43455424151), we get a palindrome (58597879585).

The spelling of 15142455434 in words is "fifteen billion, one hundred forty-two million, four hundred fifty-five thousand, four hundred thirty-four".