201372156 has 144 divisors (see below), whose sum is σ = 561619968. Its totient is φ = 62985600.

The previous prime is 201372137. The next prime is 201372169. The reversal of 201372156 is 651273102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1235331 + ... + 1235493.

Almost surely, 2^201372156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201372156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280809984).

201372156 is an abundant number, since it is smaller than the sum of its proper divisors (360247812).

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

201372156 is a wasteful number, since it uses less digits than its factorization.

201372156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 201372156 is about 14190.5657392508. The cubic root of 201372156 is about 586.1379035330.

The spelling of 201372156 in words is "two hundred one million, three hundred seventy-two thousand, one hundred fifty-six".