145403412 has 48 divisors (see below), whose sum is σ = 422994432. Its totient is φ = 37766880.

The previous prime is 145403411. The next prime is 145403413. The reversal of 145403412 is 214304541.

145403412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145403411) and next prime (145403413).

It is a super-2 number, since 2×145403412² = 42284304442483488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145403411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77758 + ... + 79605.

It is an arithmetic number, because the mean of its divisors is an integer number (8812384).

Almost surely, 2^145403412 is an apocalyptic number.

145403412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145403412 is an abundant number, since it is smaller than the sum of its proper divisors (277591020).

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

145403412 is a wasteful number, since it uses less digits than its factorization.

145403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157388 (or 157386 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 145403412 is about 12058.3337157337. Note that the first 3 decimals coincide. The cubic root of 145403412 is about 525.8455454016.

Adding to 145403412 its reverse (214304541), we get a palindrome (359707953).

The spelling of 145403412 in words is "one hundred forty-five million, four hundred three thousand, four hundred twelve".