145561352 has 8 divisors (see below), whose sum is σ = 272927550. Its totient is φ = 72780672.

The previous prime is 145561313. The next prime is 145561363. The reversal of 145561352 is 253165541.

145561352 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 130553476 + 15007876 = 11426^2 + 3874^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9097577 + ... + 9097592.

Almost surely, 2^145561352 is an apocalyptic number.

It is an amenable number.

145561352 is a deficient number, since it is larger than the sum of its proper divisors (127366198).

145561352 is a wasteful number, since it uses less digits than its factorization.

145561352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18195175 (or 18195171 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 145561352 is about 12064.8809360060. The cubic root of 145561352 is about 526.0358710423.

The spelling of 145561352 in words is "one hundred forty-five million, five hundred sixty-one thousand, three hundred fifty-two".