145342424 has 16 divisors (see below), whose sum is σ = 278316000. Its totient is φ = 71124832.

The previous prime is 145342411. The next prime is 145342427. The reversal of 145342424 is 424243541.

It is a super-2 number, since 2×145342424² = 42248840428391552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145342427) 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, 192899 + ... + 193650.

It is an arithmetic number, because the mean of its divisors is an integer number (17394750).

Almost surely, 2^145342424 is an apocalyptic number.

It is an amenable number.

145342424 is a deficient number, since it is larger than the sum of its proper divisors (132973576).

145342424 is a wasteful number, since it uses less digits than its factorization.

145342424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386602 (or 386598 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 145342424 is about 12055.8045770492. The cubic root of 145342424 is about 525.7720149101.

Adding to 145342424 its reverse (424243541), we get a palindrome (569585965).

The spelling of 145342424 in words is "one hundred forty-five million, three hundred forty-two thousand, four hundred twenty-four".