144161752 has 16 divisors (see below), whose sum is σ = 308918160. Its totient is φ = 61783584.

The previous prime is 144161747. The next prime is 144161789. The reversal of 144161752 is 257161441.

It is a super-2 number, since 2×144161752² = 41565221479419008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287103 + ... + 1287214.

It is an arithmetic number, because the mean of its divisors is an integer number (19307385).

Almost surely, 2^144161752 is an apocalyptic number.

It is an amenable number.

144161752 is an abundant number, since it is smaller than the sum of its proper divisors (164756408).

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

144161752 is a wasteful number, since it uses less digits than its factorization.

144161752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574330 (or 2574326 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 144161752 is about 12006.7377750994. The cubic root of 144161752 is about 524.3444601094.

The spelling of 144161752 in words is "one hundred forty-four million, one hundred sixty-one thousand, seven hundred fifty-two".