155101340 has 12 divisors (see below), whose sum is σ = 325712856. Its totient is φ = 62040528.

The previous prime is 155101333. The next prime is 155101379. The reversal of 155101340 is 43101551.

155101340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 7755067 = 155101340 / (1 + 5 + 5 + 1 + 0 + 1 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3877514 + ... + 3877553.

It is an arithmetic number, because the mean of its divisors is an integer number (27142738).

Almost surely, 2^155101340 is an apocalyptic number.

155101340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155101340 is an abundant number, since it is smaller than the sum of its proper divisors (170611516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155101340 is a wasteful number, since it uses less digits than its factorization.

155101340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755076 (or 7755074 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 155101340 is about 12453.9688453119. The cubic root of 155101340 is about 537.2855780752.

Adding to 155101340 its reverse (43101551), we get a palindrome (198202891).

The spelling of 155101340 in words is "one hundred fifty-five million, one hundred one thousand, three hundred forty".