145404024 has 32 divisors (see below), whose sum is σ = 368634240. Its totient is φ = 47784800.

The previous prime is 145404023. The next prime is 145404031. The reversal of 145404024 is 420404541.

It is a happy number.

It is a super-2 number, since 2×145404024² = 42284660390785152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 145403985 and 145404003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145404023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40962 + ... + 44369.

It is an arithmetic number, because the mean of its divisors is an integer number (11519820).

Almost surely, 2^145404024 is an apocalyptic number.

It is an amenable number.

145404024 is an abundant number, since it is smaller than the sum of its proper divisors (223230216).

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

145404024 is a wasteful number, since it uses less digits than its factorization.

145404024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85411 (or 85407 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 145404024 is about 12058.3590923475. The cubic root of 145404024 is about 525.8462831583.

Adding to 145404024 its reverse (420404541), we get a palindrome (565808565).

The spelling of 145404024 in words is "one hundred forty-five million, four hundred four thousand, twenty-four".