155623041 has 24 divisors (see below), whose sum is σ = 258252800. Its totient is φ = 88459776.

The previous prime is 155623033. The next prime is 155623043. The reversal of 155623041 is 140326551.

It is not a de Polignac number, because 155623041 - 2³ = 155623033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155622996 and 155623014.

It is not an unprimeable number, because it can be changed into a prime (155623043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5760 + ... + 18558.

Almost surely, 2^155623041 is an apocalyptic number.

It is an amenable number.

155623041 is a deficient number, since it is larger than the sum of its proper divisors (102629759).

155623041 is a wasteful number, since it uses less digits than its factorization.

155623041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005 (or 13002 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 155623041 is about 12474.8964324358. The cubic root of 155623041 is about 537.8873109658.

Adding to 155623041 its reverse (140326551), we get a palindrome (295949592).

The spelling of 155623041 in words is "one hundred fifty-five million, six hundred twenty-three thousand, forty-one".