145542024 has 96 divisors (see below), whose sum is σ = 410192640. Its totient is φ = 46569600.

The previous prime is 145542017. The next prime is 145542029. The reversal of 145542024 is 420245541.

145542024 is a `hidden beast` number, since 1 + 455 + 4 + 202 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (145542029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439539 + ... + 439869.

It is an arithmetic number, because the mean of its divisors is an integer number (4272840).

Almost surely, 2^145542024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145542024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205096320).

145542024 is an abundant number, since it is smaller than the sum of its proper divisors (264650616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145542024 is a wasteful number, since it uses less digits than its factorization.

145542024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 145542024 is about 12064.0799068972. The cubic root of 145542024 is about 526.0125872260.

Adding to 145542024 its reverse (420245541), we get a palindrome (565787565).

The spelling of 145542024 in words is "one hundred forty-five million, five hundred forty-two thousand, twenty-four".