151470 has 80 divisors (see below), whose sum is σ = 470448. Its totient is φ = 34560.
The previous prime is 151451. The next prime is 151471. The reversal of 151470 is 74151.
151470 = T45 + T46 + ... + T99.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151470.
It is not an unprimeable number, because it can be changed into a prime (151471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8902 + ... + 8918.
2151470 is an apocalyptic number.
151470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 151470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235224).
151470 is an abundant number, since it is smaller than the sum of its proper divisors (318978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151470 is a wasteful number, since it uses less digits than its factorization.
151470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47 (or 38 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 18.
The square root of 151470 is about 389.1914695879. The cubic root of 151470 is about 53.3059321050.
It can be divided in two parts, 15 and 1470, that added together give a triangular number (1485 = T54).
The spelling of 151470 in words is "one hundred fifty-one thousand, four hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •