155141512 has 8 divisors (see below), whose sum is σ = 290890350. Its totient is φ = 77570752.

The previous prime is 155141431. The next prime is 155141521. The reversal of 155141512 is 215141551.

It can be written as a sum of positive squares in only one way, i.e., 139570596 + 15570916 = 11814^2 + 3946^2 .

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

It is a super-4 number, since 4×155141512⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9696337 + ... + 9696352.

Almost surely, 2^155141512 is an apocalyptic number.

It is an amenable number.

155141512 is a deficient number, since it is larger than the sum of its proper divisors (135748838).

155141512 is a wasteful number, since it uses less digits than its factorization.

155141512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19392695 (or 19392691 counting only the distinct ones).

The product of its digits is 1000, while the sum is 25.

The square root of 155141512 is about 12455.5815600878. The cubic root of 155141512 is about 537.3319605953.

The spelling of 155141512 in words is "one hundred fifty-five million, one hundred forty-one thousand, five hundred twelve".