155069349 has 8 divisors (see below), whose sum is σ = 207207552. Its totient is φ = 103155360.

The previous prime is 155069333. The next prime is 155069363. The reversal of 155069349 is 943960551.

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

It is not a de Polignac number, because 155069349 - 2⁴ = 155069333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155069349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155069329) 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, 54432 + ... + 57209.

It is an arithmetic number, because the mean of its divisors is an integer number (25900944).

Almost surely, 2^155069349 is an apocalyptic number.

It is an amenable number.

155069349 is a deficient number, since it is larger than the sum of its proper divisors (52138203).

155069349 is a wasteful number, since it uses less digits than its factorization.

155069349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112107.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 155069349 is about 12452.6844093954. The cubic root of 155069349 is about 537.2486355944.

The spelling of 155069349 in words is "one hundred fifty-five million, sixty-nine thousand, three hundred forty-nine".