155219948 has 24 divisors (see below), whose sum is σ = 302620080. Its totient is φ = 69168960.

The previous prime is 155219941. The next prime is 155219959. The reversal of 155219948 is 849912551.

155219948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155219899 and 155219908.

It is not an unprimeable number, because it can be changed into a prime (155219941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49958 + ... + 52973.

It is an arithmetic number, because the mean of its divisors is an integer number (12609170).

Almost surely, 2^155219948 is an apocalyptic number.

It is an amenable number.

155219948 is a deficient number, since it is larger than the sum of its proper divisors (147400132).

155219948 is a wasteful number, since it uses less digits than its factorization.

155219948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102977 (or 102975 counting only the distinct ones).

The product of its digits is 129600, while the sum is 44.

The square root of 155219948 is about 12458.7297907933. The cubic root of 155219948 is about 537.4224995886.

The spelling of 155219948 in words is "one hundred fifty-five million, two hundred nineteen thousand, nine hundred forty-eight".