152144745 has 16 divisors (see below), whose sum is σ = 251284992. Its totient is φ = 78526080.

The previous prime is 152144737. The next prime is 152144749. The reversal of 152144745 is 547441251.

It is not a de Polignac number, because 152144745 - 2³ = 152144737 is a prime.

It is a super-2 number, since 2×152144745² = 46296046862230050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152144749) 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, 163132 + ... + 164061.

It is an arithmetic number, because the mean of its divisors is an integer number (15705312).

Almost surely, 2^152144745 is an apocalyptic number.

152144745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152144745 is a deficient number, since it is larger than the sum of its proper divisors (99140247).

152144745 is a wasteful number, since it uses less digits than its factorization.

152144745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327232.

The product of its digits is 22400, while the sum is 33.

The square root of 152144745 is about 12334.6967940035. The cubic root of 152144745 is about 533.8496785429.

Adding to 152144745 its reverse (547441251), we get a palindrome (699585996).

The spelling of 152144745 in words is "one hundred fifty-two million, one hundred forty-four thousand, seven hundred forty-five".