155450146 has 8 divisors (see below), whose sum is σ = 243313344. Its totient is φ = 74345700.

The previous prime is 155450137. The next prime is 155450149. The reversal of 155450146 is 641054551.

155450146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (155450149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689630 + ... + 1689721.

It is an arithmetic number, because the mean of its divisors is an integer number (30414168).

Almost surely, 2^155450146 is an apocalyptic number.

155450146 is a deficient number, since it is larger than the sum of its proper divisors (87863198).

155450146 is a wasteful number, since it uses less digits than its factorization.

155450146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379376.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 155450146 is about 12467.9647898123. The cubic root of 155450146 is about 537.6880420847.

The spelling of 155450146 in words is "one hundred fifty-five million, four hundred fifty thousand, one hundred forty-six".