145571336 has 8 divisors (see below), whose sum is σ = 272946270. Its totient is φ = 72785664.

The previous prime is 145571333. The next prime is 145571359. The reversal of 145571336 is 633175541.

It can be written as a sum of positive squares in only one way, i.e., 100600900 + 44970436 = 10030^2 + 6706^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 145571296 and 145571305.

It is not an unprimeable number, because it can be changed into a prime (145571333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9098201 + ... + 9098216.

Almost surely, 2^145571336 is an apocalyptic number.

It is an amenable number.

145571336 is a deficient number, since it is larger than the sum of its proper divisors (127374934).

145571336 is a wasteful number, since it uses less digits than its factorization.

145571336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18196423 (or 18196419 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 145571336 is about 12065.2946918009. The cubic root of 145571336 is about 526.0478976368.

The spelling of 145571336 in words is "one hundred forty-five million, five hundred seventy-one thousand, three hundred thirty-six".