7155954 has 48 divisors (see below), whose sum is σ = 17041752. Its totient is φ = 2156544.

The previous prime is 7155943. The next prime is 7155961. The reversal of 7155954 is 4595517.

It can be written as a sum of positive squares in 4 ways, for example, as 7049025 + 106929 = 2655^2 + 327^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12114 + ... + 12690.

Almost surely, 2^7155954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7155954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8520876).

7155954 is an abundant number, since it is smaller than the sum of its proper divisors (9885798).

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

7155954 is a wasteful number, since it uses less digits than its factorization.

7155954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 648 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 7155954 is about 2675.0614946203. The cubic root of 7155954 is about 192.7033124873.

It can be divided in two parts, 7 and 155954, that added together give a triangular number (155961 = T₅₅₈).

The spelling of 7155954 in words is "seven million, one hundred fifty-five thousand, nine hundred fifty-four".