154142443 has 16 divisors (see below), whose sum is σ = 190939840. Its totient is φ = 121170816.

The previous prime is 154142431. The next prime is 154142477. The reversal of 154142443 is 344241451.

It is not a de Polignac number, because 154142443 - 2¹⁷ = 154011371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154142413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8893 + ... + 19681.

It is an arithmetic number, because the mean of its divisors is an integer number (11933740).

Almost surely, 2^154142443 is an apocalyptic number.

154142443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

154142443 is a deficient number, since it is larger than the sum of its proper divisors (36797397).

154142443 is a wasteful number, since it uses less digits than its factorization.

154142443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10966.

The product of its digits is 7680, while the sum is 28.

The square root of 154142443 is about 12415.4115115046. The cubic root of 154142443 is about 536.1760520574.

Adding to 154142443 its reverse (344241451), we get a palindrome (498383894).

The spelling of 154142443 in words is "one hundred fifty-four million, one hundred forty-two thousand, four hundred forty-three".