145431153 has 32 divisors (see below), whose sum is σ = 247193600. Its totient is φ = 82779408.

The previous prime is 145431131. The next prime is 145431161. The reversal of 145431153 is 351134541.

It is a happy number.

145431153 is a `hidden beast` number, since 1 + 4 + 543 + 115 + 3 = 666.

It is not a de Polignac number, because 145431153 - 2⁶ = 145431089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145431163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52128 + ... + 54846.

It is an arithmetic number, because the mean of its divisors is an integer number (7724800).

Almost surely, 2^145431153 is an apocalyptic number.

It is an amenable number.

145431153 is a deficient number, since it is larger than the sum of its proper divisors (101762447).

145431153 is a wasteful number, since it uses less digits than its factorization.

145431153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018 (or 3012 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 145431153 is about 12059.4839441827. The cubic root of 145431153 is about 525.8789846757.

Adding to 145431153 its reverse (351134541), we get a palindrome (496565694).

The spelling of 145431153 in words is "one hundred forty-five million, four hundred thirty-one thousand, one hundred fifty-three".