145414552 has 16 divisors (see below), whose sum is σ = 281448000. Its totient is φ = 70361760.

The previous prime is 145414537. The next prime is 145414553. The reversal of 145414552 is 255414541.

It is a happy number.

It is a super-2 number, since 2×145414552² = 42290783866721408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145414553) 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 3 ways as a sum of consecutive naturals, for example, 292927 + ... + 293422.

It is an arithmetic number, because the mean of its divisors is an integer number (17590500).

Almost surely, 2^145414552 is an apocalyptic number.

It is an amenable number.

145414552 is a deficient number, since it is larger than the sum of its proper divisors (136033448).

145414552 is a wasteful number, since it uses less digits than its factorization.

145414552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586386 (or 586382 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 145414552 is about 12058.7956280882. The cubic root of 145414552 is about 525.8589741781.

The spelling of 145414552 in words is "one hundred forty-five million, four hundred fourteen thousand, five hundred fifty-two".