144154531 has 2 divisors, whose sum is σ = 144154532. Its totient is φ = 144154530.

The previous prime is 144154511. The next prime is 144154579. The reversal of 144154531 is 135451441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144154531 - 2⁷ = 144154403 is a prime.

It is a super-2 number, since 2×144154531² = 41561057615659922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144154531.

It is not a weakly prime, because it can be changed into another prime (144154511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72077265 + 72077266.

It is an arithmetic number, because the mean of its divisors is an integer number (72077266).

Almost surely, 2^144154531 is an apocalyptic number.

144154531 is a deficient number, since it is larger than the sum of its proper divisors (1).

144154531 is an equidigital number, since it uses as much as digits as its factorization.

144154531 is an evil number, because the sum of its binary digits is even.

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

The square root of 144154531 is about 12006.4370651747. The cubic root of 144154531 is about 524.3357052339.

The spelling of 144154531 in words is "one hundred forty-four million, one hundred fifty-four thousand, five hundred thirty-one".